# EN API

## EN API

- [­­­­­­­­DecisionTelecom API Overview](https://en-api.decisiontele.com/decisiontelecom-api-overview.md)
- [SMS API](https://en-api.decisiontele.com/sms-api.md)
- [VIBER API](https://en-api.decisiontele.com/viber-api.md)
- [WhatsApp Business API](https://en-api.decisiontele.com/whatsapp-business-api.md)
- [RCS API](https://en-api.decisiontele.com/rcs-api.md)
- [Verify API](https://en-api.decisiontele.com/verify-api.md)
- [Flash Call Verify API](https://en-api.decisiontele.com/flash-call-verify-api.md)
- [VIBER + SMS API](https://en-api.decisiontele.com/viber-+-sms-api.md)
- [HLR API](https://en-api.decisiontele.com/hlr-api.md)
- [Voice API](https://en-api.decisiontele.com/voice-api.md)
- [Viber Bot API](https://en-api.decisiontele.com/viber-bot-api.md)
- [Viber templates API (beta)](https://en-api.decisiontele.com/viber-templates-api-beta.md)
- [eSIM API](https://en-api.decisiontele.com/esim-api.md): Provision, activate, and manage eSIMs and data packages using the DecisionTelecom eSIM API.
- [Provision an eSIM](https://en-api.decisiontele.com/esim-api/provision-an-esim.md): Step-by-step guide to create a client, allocate an eSIM, assign a data package, and retrieve the activation QR code.
- [Top Up an eSIM](https://en-api.decisiontele.com/esim-api/top-up-an-esim.md)
- [Remove a Package](https://en-api.decisiontele.com/esim-api/remove-a-package.md): Remove a data package from an existing eSIM without deleting the eSIM itself.
- [Release an eSIM](https://en-api.decisiontele.com/esim-api/release-an-esim.md): Unassign an eSIM from a client and make it available for future allocation.